using System;

using System.Globalization;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var dictionary = new Dictionary<string, object>();

        Console.WriteLine(dictionary.FirstOrDefault().Key);

        Console.WriteLine(typeof(Program).Assembly.GetName());

        //var stringValue = "24/02/2021";

        //var stringValue = "02/24/2021";

        var stringValue = "03/01/2021";

        DateTime parsed;

        bool success;

        success = DateTime.TryParseExact(stringValue, "o", CultureInfo.InvariantCulture, DateTimeStyles.None, out parsed);

        Console.WriteLine(success);

        Console.WriteLine(parsed.ToString("dd/MM/yyyy"));

        success = DateTime.TryParseExact(stringValue, "dd/MM/yyyy", CultureInfo.InvariantCulture, DateTimeStyles.None, out parsed);

        Console.WriteLine(success);

        Console.WriteLine(parsed.ToString("dd/MM/yyyy"));

        success = DateTime.TryParse(stringValue, out parsed);

        Console.WriteLine(success);

        Console.WriteLine(parsed.ToString("dd/MM/yyyy"));

    }

}